nanoSMD Series - PolySwitch 1206 Size Lead-Free Surface Mount Resettable PPTC

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Disclaimer Notice

Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The nanoSMD series provides surface mount overcurrent protection for applications where space is at a premium and resettable protection is desired.


  • Broadest range of resettable devices available in industry
  • Low resistance

Compact Design and New HV Ratings

  • Smaller size helps reduce board space and cost
  • Many product choices optimizes design flexibility
  • Compatible with high-volume electronics assembly
  • Higher voltage ratings allow use in new applications

Mobile Electronics and Batteries

  • Computer
  • Portable electronics
  • Multimedia
  • Game machines
  • Telephone and broadband
  • Automotive
  • Industrial controls
  • Battery

Access specifications, certifications, check availability and order parts below

Catalog #IHold (A)ITRIP
Max Volts
Trip Time
Max Operating Temp (°C)Packaging
nanoSMD200LR2665010.0060.02431206685Tape & ReelProduct SpecificationCheckOrder
nanoSMD270LR2.76.365010.0050.01851206685Tape & ReelProduct SpecificationCheckOrder
nanoSMDC010F-20.10.2560100.81.615112066085Tape & ReelProduct SpecificationCheck
nanoSMDC012F-20.120.3948100. & ReelProduct SpecificationCheck
nanoSMDC016F-20.160.4548100.51.150.312064885Tape & ReelProduct SpecificationCheckOrder
nanoSMDC020F-20.20.42241000.60.653.10.112062485Tape & ReelProduct SpecificationCheckOrder
nanoSMDC025F-20.250.58161000. & ReelProduct SpecificationCheck
nanoSMDC035F-20.350.7516200.60.451.350.112061685Tape & ReelProduct SpecificationCheck
nanoSMDC050F/13.2- & ReelProduct SpecificationCheck
nanoSMDC075F-20.751.561000. & ReelProduct SpecificationCheck
nanoSMDC110F-21.12.261000. & ReelProduct SpecificationCheck
nanoSMDC150F-21.5361000. & ReelProduct SpecificationCheck
nanoSMDC200F-224610010.020.0721.51206685Tape & ReelProduct SpecificationCheck
nanoSMDCH010F-020.10.3530100.81.1100.1120630125Tape & ReelProduct SpecificationCheckOrder
nanoSMDH075F-020.7526101.10.10.360.112066125Tape & ReelProduct SpecificationCheckOrder